Overview
The Potter & Brumfield CDD-38-30008 is a proven off-delay time delay relay engineered for industrial timing and switching applications. With a DPDT (double-pole double-throw) contact configuration and adjustable delay range of 1.8 to 180 seconds, this relay provides dependable performance in control systems, automated machinery, and electrical panels. The socketable design allows straightforward installation in standard relay bases.
Key Features
- Off-delay operation with selectable 1.8 to 180 second timing
- DPDT (2 Form C) contact configuration for flexible switching logic
- 10A @ 277VAC rated contact capacity
- 30VDC coil voltage for reliable energization
- Socketable mounting for quick panel integration
- Compact form factor suitable for control enclosures
Technical Specifications
- Part Number: CDD-38-30008
- Manufacturer: Potter & Brumfield (TE Connectivity)
- Relay Type: Off-Delay Time Delay
- Contact Configuration: DPDT (2 Form C)
- Delay Range: 1.8 to 180 seconds
- Contact Current Rating: 10A @ 277VAC
- Coil Voltage: 30VDC
- Mounting Style: Socket
- Series: CDD-38 (CD Series)
- Depth: 45.2 mm
- Compact industrial design for panel-mount applications
Typical Applications
The CDD-38-30008 time delay relay excels in industrial automation, machinery startup/shutdown sequences, motor control circuits, and timing-dependent switching applications. Common uses include:
- Delayed load disconnection after power removal
- Cooling fan delays in HVAC and refrigeration systems
- Soft-start sequencing in motor control circuits
- Alarm and monitoring circuits requiring timed delays
- Machinery interlock and safety timing functions
Compatibility & Replacements
Compatible With
- Standard relay socket bases (8-pin configuration)
- 24VDC and 30VDC control circuit systems
- 277VAC industrial AC loads
- Industrial control panels and electrical enclosures
- Programmable timer and relay replacement applications
Replaces / Drop-In Replacement For
- Earlier generation Potter & Brumfield CDD-38 models
- Verify specific compatibility with your existing panel configuration before ordering
Works With
- Standard 8-pin relay sockets (octal base)
- Standalone control systems and manual timer circuits
- AC/DC control voltage supplies (30VDC coil)
- Industrial switching and timing applications
